The municipality of Humacao serves as the focal point of this coastal survey, where the urban grid meets the Caribbean Sea. The landscape transitions from the protected highlands of El Yunque National Forest in the north down toward the alluvial plains drained by the Rio Humacao and Rio Blanco. This modern topography documents the dense infrastructure of the region, including the Dr Hermenegildo Ortiz Quinones Airport and significant arterial roads like Ave Puerto Rico and PR-31.
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This is the sole edition of this map. No revisions or reprints were ever made.
1945 · El Yunque
USGS Topo · 1:30,000
1946 · El Yunque
USGS Topo · 1:30,000
1946 · Humacao
USGS Topo · 1:30,000
1946 · Punta Guayanes
USGS Topo · 1:30,000
1946 · Gurabo
USGS Topo · 1:30,000
1946 · Juncos
USGS Topo · 1:30,000
1946 · Yabucoa
USGS Topo · 1:30,000
1946 · Naguabo
USGS Topo · 1:30,000
1947 · Humacao SO
USGS Topo · 1:10,000
1947 · Punta Guayanes NE
USGS Topo · 1:10,000